Effect of Sugarcane Vinasse on Nutrient Content and Growth Characteristics and Yield of Basil (Ocimum basilicum L.)
The application of organic fertilizers in agriculture, especially in soils with poor nutrients, compared to the use of chemical and mineral fertilizers has positive effects on plant growth and yield. The present study was conducted to investigate the effect of the application of vinasse obtained from sugarcane waste on nutrient uptake, growth properties and yield of basil which was carried out in the research greenhouse of Lorestan University in 2018. Treatments included five levels of vinasse application: 0, 0.19, 0.38, 0.57 and 0.76 (w.w) in soil. The results showed that with increasing vinas application, the concentration of nutrients in the plant enhanced. As the vinasse application of 0.76 (w.w), the concentration of nitrogen, phosphorus and potassium in the shoot was 1.16, 1.25 and 1.28 folds and in the root 1.34, 1.30 and 1.49 folds more than control, respectively. The highest plant height, root length, leaf area, number of leaves, and leaf chlorophyll index were also observed in 0.76 (w.w), which were 2.6, 2.8, 1.8, 3 and 2.5 folds higher than control, respectively. The dry matter yield of shoot and root in 0.76 (w.w) also increased 20 and 25 folds compared to the control, respectively, while these values for fresh weight of shoot and root were 5.2 and 4.7 folds, respectively. According to the findings of the present study, vinasse can be recommended as an alternative to chemical fertilizers in production of plants such as basil with proper management.
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